Test Questions

Manuel Sotero
  1. Amino acids are _____ by forming peptide bonds. (polymerized)
  2. Non polar amino acids are ______ while polar acids are _______. (hydrophobic/hydrophilic)
  3. Structure and _______ of a protein are determined by its amino acid sequence. (Sequence)
  4. Transcription is when ______ is used to make MRNA. (DNA)
  5. _______ is when MRNA makes protein. (Translation)
  6. _______ helps stabilize tertiary structure. (Disulfide Bridge)
               
                                                      Multiple choice
  1. How many hydrogen bonds between A & T nitrogenous bases? Answer   b.
  a. 1
  b. 2
  c. 3
  d. 0
  2. How many hydrogen bonds between C & T nitrogenous bonds? Answer c.
  a. 1
  b. 2
  c. 3
  d. 4
  3. Lipids are the exception because…(answer c.)
  a. They are hydrophobic
  b. They are dissolved easily in organic lipids
  c. They are large molecules that aren’t really polymers
  d. None of these
  4. What is the difference between trans double bonds and cis double bonds? Answer a.
  a. Cis double bonds have hydrogen bonds on the same side while trans double bonds have hydrogen bonds on the opposite side.
  b. Cis double bonds have hydrogen on opposite sidesand trans double bonds have hydrogen bonds on the same side.
  c. Cis double bond are bad for cholesterol and are unnatural.
  d. None of the above
  5. What is the main function of fat? Answer c.
  a. To protect body
  b. To burn energy
  c. To store energy
  d. To do nothing
What is the main function of cholesterol in the body? What other purposes does it serve?